diff --git a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
index f241270e..9670d2d0 100644
--- a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
+++ b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
@@ -151,6 +151,16 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
 	}
 #endif
 
+#if GDISP_HARDWARE_CLEARS
+	LLDSPEC void gdisp_lld_clear(GDisplay *g) {
+		uint8_t fill = (g->p.color == Black) ? 0 : 0xff;
+		int bytes = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT/8;
+		int off;
+		for (off = 0; off < bytes; off++)
+			RAM(g)[off] = fill;
+	}
+#endif
+
 #if GDISP_HARDWARE_DRAWPIXEL
 	LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 		coord_t		x, y;
diff --git a/drivers/gdisp/SSD1306/gdisp_lld_config.h b/drivers/gdisp/SSD1306/gdisp_lld_config.h
index 2b805e86..9c502157 100644
--- a/drivers/gdisp/SSD1306/gdisp_lld_config.h
+++ b/drivers/gdisp/SSD1306/gdisp_lld_config.h
@@ -17,7 +17,8 @@
 #define GDISP_HARDWARE_FLUSH			TRUE		// This controller requires flushing
 #define GDISP_HARDWARE_DRAWPIXEL		TRUE
 #define GDISP_HARDWARE_PIXELREAD		TRUE
-#define GDISP_HARDWARE_CONTROL			TRUE
+#define GDISP_HARDWARE_CONTROL      TRUE
+#define GDISP_HARDWARE_CLEARS       TRUE
 
 #define GDISP_LLD_PIXELFORMAT			GDISP_PIXELFORMAT_MONO